Metrology
Metrology
MarTest 800 EWL Digital Test Indicator
EN
  • Inductive measuring system, battery life span ca. 2 years
  • Operating unit is protected against coolants and lubricants, protection class IP65
  • Combined analog and digital display
  • Operating and display unit (bezel) can be rotated through 360°
  • Satin chrome finished housing with 3 dovetail guideways
  • Shockproof, movement bearings are jewelled
  • Automatic matching to sensing direction
  • Anti-magnetic
  • Double lever supported in ball bearings, overload protection provided by slip clutch
  • Technical data
  • Functions

Order no.Product typeMeasuring range mm Measuring range inchResolution mm/inchSpan of error fe (µm)Total span of error fges (µm)Hysteresis fu (µm)Partial measuring range ft (µm)Repeatability fw (µm)StandardMeasuring forceIP protection category
4305120
800 EW
± 0.4
± .015"
0.001 / .00005"
10 µm
13 µm
3 µm
5 µm
3 µm
Factory standard
0.13 N
IP 65
4306120
800 EWL
± 0.25
± .010"
0.001 / .00005"
10 µm
13 µm
5 µm
5 µm
3 µm
Factory standard
0.07 N
IP 65

  • ON/OFF
  • RESET (set display to zero)
  • mm/inch
  • MAX/MIN memory for searching the reversal point
  • TIR (MAX-MIN) for testing flatness and concentricity